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老挝甘猛省钾盐矿竖井工程建设施工中,建成后发现竖井砼壁后有溶腔现象,经中科院物理力学研究所采用超深波对全竖井进行探测分析,证实竖井壁后溶腔的存在部位,并分析出产生溶腔的原因和处理方案,经采用科学配比的充填材料和合理的施工方法,终于圆满完成了施工任务。通过总结经验,研究探索出防治钾盐矿竖井产生壁后溶腔的方法,为钾盐矿后续竖井工程的设计和施工积累经验,属钾盐矿山工程同行业首创。
In the construction of the shaft project of potash salt mine in Gansu Province, Laos, the cavity was found after the concrete wall of the shaft was built. After the exploration and analysis of the full shaft by ultra-deep wave, Institute of Physics and Mechanics, Chinese Academy of Sciences, it was confirmed that the posterior chamber posterior cavity , And analyzed the reasons for the formation of the cavity and treatment options, the use of scientific matching of filling materials and reasonable construction methods, and finally successfully completed the construction task. Through summing up the experience, we have explored ways to prevent and treat the posterior wall posterior cavity of the potash salt mine, and accumulated experience in the design and construction of the subsequent shaft project of the potash mine, which is the first in the same field of potash mine engineering.